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2165165008102 = 219349163260821
BaseRepresentation
bin11111100000011101111…
…001000010010011100110
321122222200001221121002101
4133200131321002103212
5240433224220224402
64334355120202314
7312266543623645
oct37403571022346
97588601847071
102165165008102
11765272223a88
122ab75946939a
131292358b49b5
1476b1a33935c
153b4c3117b87
hex1f81de424e6

2165165008102 has 16 divisors (see below), whose sum is σ = 3428477262000. Its totient is φ = 1022665776480.

The previous prime is 2165165008093. The next prime is 2165165008109. The reversal of 2165165008102 is 2018005615612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2165165008109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81617149 + ... + 81643672.

It is an arithmetic number, because the mean of its divisors is an integer number (214279828875).

Almost surely, 22165165008102 is an apocalyptic number.

2165165008102 is a deficient number, since it is larger than the sum of its proper divisors (1263312253898).

2165165008102 is a wasteful number, since it uses less digits than its factorization.

2165165008102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163261191.

The product of its (nonzero) digits is 28800, while the sum is 37.

The spelling of 2165165008102 in words is "two trillion, one hundred sixty-five billion, one hundred sixty-five million, eight thousand, one hundred two".

Divisors: 1 2 19 38 349 698 6631 13262 163260821 326521642 3101955599 6203911198 56978026529 113956053058 1082582504051 2165165008102